Maskinerne

Recording by Hej Matematik.

Recording identifiers

ISRC
DKBR70901505
CopyrightID (CopyrightChains transaction hash)
0x3a273b2ec60365c4f8a4b56dedb5a23703e45db1e7fa48a58251ddd81eb5774a
Copyright registration time
2026-07-07T06:04:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2907060c7cc859dec707fd4a733faddca1004595c0daf3b5e35ab13ff6a39058

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.